#!/usr/bin/python
# -*- coding:utf-8 -*-
# @author  : micah
# @time    :  
# @function: 
# @version :


def test_1():
    print('---test_1 start ---')
    print('这里是test_1函数执行的代码...')
    print('---test_1 end ---')


def test_2():
    print('--- test_2 start ----')
    test_1()
    print('--- test_2 end ---')


test_2()
